Method and system for treatment of maxillary deficiency using miniscrews

a technology of mini screws and maxillary deficiency, applied in the field of orthopedic correction of maxillary deficiency, can solve the problems of difficult correction of skeletal class iii malocclusion, particularly unpleasant wearing of extraoral appliances, etc., and achieve the effect of favorable patients and small siz

Inactive Publication Date: 2013-04-09
ABDOLREZA JAMILIAN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0005]To eliminate the problems associated with previously used extraoral appliances and to avoid the small surgery needed for placement of miniplates, I have developed a new method. In this method I place miniscrews in the lower jaw and an upper removable appliance in the upper jaw. I used Class III elastics to connect miniscrews to the upper removable. With this method there would be no need for any surgery and the small size would be very favorable for the patients.

Problems solved by technology

Skeletal Class III malocclusion is one of the most difficult discrepancies to correct.
Such extraoral appliances are particularly unpleasant to wear.

Method used

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  • Method and system for treatment of maxillary deficiency using miniscrews
  • Method and system for treatment of maxillary deficiency using miniscrews
  • Method and system for treatment of maxillary deficiency using miniscrews

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Embodiment Construction

[0010]Self-drilling Titanium Alloy Jeil™ miniscrews 1 (Jeil Medical Corp., Seoul, Korea) with 1.6 mm diameter and 8 mm length were placed under local anesthesia into the buccal alveolar bone between the mandibular canine and first premolar roots on both sides. The ideal position for screw insertion was evaluated by using a panoramic radiograph in order to avoid damage to the roots of the adjacent teeth and mental foramen. A tightly fitting upper removable appliance 2 was fabricated with hooked orthodontic clasps 3 on the upper first permanent molars and premolars and orthodontic clasps 4 on the upper permanent. An expansion screw 5 was placed in the midpalatal area of the upper removable appliance in order to loosen the nasomaxillary sutures for better movement of the maxilla. Miniscrews 1 were connected to the hooks of the clasps 3 of the removable appliance 2 by medium size orthodontic latex elastics 6 in order to generate ˜350 g of anterior retraction.

[0011]In my method I place s...

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Abstract

A method and system for treatment of maxillary deficiency using miniscrews including placement of self drilling Titanium alloy miniscrews in the lower jaw, and Class III elastic tractions connecting the miniscrews to a tightly fitting upper removable appliance. The method intensifies correction of maxillary deficiency and increases convenience of the device usage.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]Not ApplicableSTATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT[0002]Not ApplicableREFERENCE TO SEQUENCE LISTING, A TABLE, OR A COMPUTER PROGRAM LISTING COMPACT DISC APPENDIX[0003]Not ApplicableBACKGROUND OF THE INVENTION[0004]The invention relates to orthopedic correction of maxillary deficiency. Skeletal Class III malocclusion is one of the most difficult discrepancies to correct. It can be defined as skeletal facial deformities characterized by maxillary deficiency, mandibular protrusion, or a combination of both. In subjects with maxillary deficiency where the mandible is not markedly affected, treatment may involve stimulation and guidance of maxillary growth by orthopaedic forces. Various types of extraoral appliances such as facemasks (U.S. Pat. No. 4,988,291 and D308,096) and protraction headgears (U.S. Pat. No. 7,121,824) have been used to correct maxillary deficiency. Such extraoral appliances are particularly unpl...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A61C7/10
CPCA61C7/10A61C8/0096
Inventor JAMILIAN, ABDOLREZASHOWKATBAKHSH, ABDULRAHMAN
Owner ABDOLREZA JAMILIAN
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